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Unknown installation problem in Windows 7

I installed Sagemath 9.1 from the executable. Almost nothing works: when I execute from desktop icon it just crashes, if I do from icon that says Notebook it crashes after saying

"Use Control-C to stop ...."

If I execute the shell, I can use without problem "sage -python", "sage -gap", etc, but if I execute

sage -c

then it says

Unhandled SIGSEGV: A segmentation fault occurred. This probably occurred because a compiled module has a bug in it and is not properly wrapped with sig_on(), sig_off().

Python will now terminate.

/opt/sagemath-9.1/src/bin/sage-python line 2: 1615 Segmentation fault (overflow memory)sage -python "$@"

Do you have any suggestions about how to solve the problem? I reinstalled Sagemath several times, but everytime there is the same problem.